Question

Find the distance between points A(−8, 7) and B(6, −9).

Answer 1

Answer:

            d = 2√113 ≈23.28

Step-by-step explanation:

$d_{AB}=\sqrt{(x_B-x_A)^2+(y_B-y_A)^2}\\\\d_{AB}=\sqrt{(6+8)^2+(-9-7)^2}=\sqrt{14^2+(-16)^2}=\sqrt{196+256}=\\\\=\sqrt{542}=2\sqrt{113}\approx23.28$